Step 1: Draw some four-cornered hollow petals on the paper.

Step 2: Add more petals to the existing ones to make the flower look compact.

Step 3: Select the lower left side of the petals and add a bunch of four-cornered petals.

Step 4: Connect the petals with two lines to make a branch and add some leaves.

Step 5: Add some more leaves to show the lushness of the branch.

Step 6: Finally, refine the petals and leaves with some more details, and the simple pen laurel is finished.